How old is Callum B?

Callum B was born on 10 December 2008.
Callum B is 17 years old.

How old is Callum B in days now?

Callum B is 17 years 1 month 8 days old.
Total 6,248 days old now.

When is the next birthday of Callum B?

Callum B's next birthday is in 10 months 22 days.

What is the zodiac sign of Callum B?

Zodiac sign of Callum B is Sagittarius.

Callum B is a rising British YouTube star and challenge video creator known for his fun, energetic content and relatable personality. He was born in 2008, in Derry, Northern Ireland, and grew up with his supportive family, including his older brother who often appears in his videos. Callum began posting on YouTube at a young age, sharing challenge videos, pranks, vlogs, and entertainment clips that quickly connected with viewers. One of his most viewed videos, “Kid Spends 24 HOURS on SEGWAY ELECTRIC SHOES!! – Challenge (Hard)”, helped showcase his playful style and creativity.

He has also appeared on his family’s Family 4 YouTube channel, which features vlogs, games, and fun moments with his parents and brother. As of late 2025, Callum B’s personal channel has gathered around 350,000 subscribers, reflecting his growing popularity among young audiences who enjoy his challenge content and humor. Besides YouTube, he is active on Instagram under the username callumbyt, where he shares behind‑the‑scenes photos and updates about his life and creative projects.